
Journal Articles
McCullough, Sebastian, Varela, Roger B., Houghton, Tristan, Cruickshank, Heather and Tye, Susannah J. (2026). Deep brain stimulation of the nucleus accumbens modulates effort-based decision-making and phasic dopamine release in male Wistar rats. Journal of Neurochemistry, 170 (6) e70485. doi: 10.1111/jnc.70485
Varela, Roger B., Macpherson, Heather, Walker, Adam J., Houghton, Tristan, Yates, Clarissa, Yates, Nathanael J., Daygon, Dara and Tye, Susannah J. (2025). Inflammation and metabolic dysfunction underly anhedonia-like behavior in antidepressant resistant male rats. Brain, Behavior, and Immunity, 127, 170-182. doi: 10.1016/j.bbi.2025.03.001
Varela, Roger B., Boschen, Suelen L., Yates, Nathanael, Houghton, Tristan, Blaha, Charles D., Lee, Kendall H., Bennet, Kevin E., Kouzani, Abbas Z., Berk, Michael, Quevedo, João, Valvassori, Samira S. and Tye, Susannah J. (2024). Anti‐manic effect of deep brain stimulation of the ventral tegmental area in an animal model of mania induced by methamphetamine. Bipolar Disorders, 26 (4), 376-387. doi: 10.1111/bdi.13423
Conference Papers
Varela, Roger, Macpherson, Heather, Houghton, Tristan, Yates, Clarissa, Yates, Nathanael, Daygon, Dara and Tye, Susannah (2025). Immunometabolic dysfunction and dopaminergic impairment in an animal model of treatment-resistant anhedonia: implications for bipolar disorder. The 27th Annual Conference of the International Society for Bipolar Disorders, Chiba, Japan, 17 – 19 September 2025. Hoboken, NJ, United States: Wiley-Blackwell Publishing.
Macpherson, Heather, Varela, Roger, McCullough, Sebastian, Houghton, Tristan, Chawla, Isha, Wang, Ning, Daygon, Venea, Cui, Xiaoying and Tye, Susannah (2025). Unpredictable Circadian Disturbance Induces Bipolar-Like Behavioural and Immunometabolic Dysregulation in Rats. 27th Annual Conference of the International Society for Bipolar Disorders, Chiba, Japan, 17-19 September 2025. Hoboken, NJ, United States: Wiley-Blackwell.
Varela, Roger, Macpherson, Heather, Houghton, Tristan, Yates, Clarissa, Yates, Nathanael, Daygon, Dara and Tye, Susannah (2024). Inflammation in combination with metabolic deficits underly Anhedonia-like behavior in treatment resistant male rats. ACNP 63rd Annual Meeting: Poster Abstracts P609-P914, Phoenix, AZ United States, 8-11 December 2024. London, United Kingdom: Nature Publishing Group.